Siemens 353 User Manual page 54

Function Blocks
3.2.16 ATN_ - ARCTANGENT
ATN__ function blocks output a signal in radians of which the
input is the tangent.
X
.
Input X
3-24
ATAN (X)
Output 1
BLOCK DIAGRAM
ARCTANGENT
X
Input X
O1
.
I N P U T X
E
S N
UM353-1B
ATN ESN = 000
O1 Output 1
O = ATAN (X)
1
INPUT X ..............
loop tag.block tag.output (null)
Exec. Seq. No. ..................... 000 to 250 (000)
April 2012